| /* |
| * Copyright (c) 2020 Google LLC. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <init.h> |
| #include <drivers/pinmux.h> |
| #include <soc.h> |
| |
| static int board_pinmux_init(const struct device *dev) |
| { |
| const struct device *muxa = |
| device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_a))); |
| const struct device *muxb = |
| device_get_binding(DT_LABEL(DT_NODELABEL(pinmux_b))); |
| |
| ARG_UNUSED(dev); |
| /* Prevent an unused variable error if all peripherals are disabled */ |
| (void)muxa; |
| (void)muxb; |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| /* SERCOM4 on RX=PB9/pad 1, TX=PB8/pad 0 */ |
| pinmux_pin_set(muxb, 9, PINMUX_FUNC_D); |
| pinmux_pin_set(muxb, 8, PINMUX_FUNC_D); |
| #endif |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_uart) && defined(CONFIG_UART_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(0, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| /* SPI SERCOM0 on MISO=PA5/pad 1, MOSI=PA6/pad 2, SCK=PA7/pad 3 */ |
| pinmux_pin_set(muxa, 5, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 6, PINMUX_FUNC_D); |
| pinmux_pin_set(muxa, 7, PINMUX_FUNC_D); |
| #endif |
| |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(1, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(2, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(3, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(4, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| #if ATMEL_SAM0_DT_SERCOM_CHECK(5, atmel_sam0_spi) && defined(CONFIG_SPI_SAM0) |
| #warning Pin mapping may not be configured |
| #endif |
| |
| #if defined(CONFIG_USB_DC_SAM0) |
| /* USB DP on PA25, USB DM on PA24 */ |
| pinmux_pin_set(muxa, 25, PINMUX_FUNC_G); |
| pinmux_pin_set(muxa, 24, PINMUX_FUNC_G); |
| #endif |
| |
| return 0; |
| } |
| |
| SYS_INIT(board_pinmux_init, PRE_KERNEL_1, CONFIG_PINMUX_INIT_PRIORITY); |